All drug tests administered at UFC 141 came back negative for prohibited substances, according to Nevada State Athletic Commission executive director Keith Kizer on Monday.

Every fighter on the card, except for Jon Fitch, was tested. The news is especially significant considering Alistair Overeem was tested twice on fight week and passed both times. Overeem also passed the test he took in London prior to flying to Vegas, which was asked of him by the commission after he failed to meet their out-of-competition drug test requirements in November.